CN203621195U - Leftover-material free punching technology and die thereof - Google Patents

Abstract

The utility model discloses a leftover-material free punching technology and a die thereof. The die includes an upper template, a lower template, a first outward folding die, a second outward folding die, a third pressing die, and a fourth cut-off die. The structures of the first outward folding die and the second outward folding die are completely the same, and the directions of the first outward folding die and the outward external folding die are at an right-angle relation, the first outward folding die is used for punching the two opposite side walls of a rectangular semi-finished product in the X-direction, and the second outward folding die is used for punching the two opposite side walls of the rectangular semi-finished product in the Y-direction. According to the utility model, a housing and a material strap are separated in a lateral cutting manner, the defect that the four corners of the housing fold outwards can be overcome, the size precision of products is high. And moreover, waste materials generated in the process of punching are connected on the material strap, no unnecessary waste materials can be generated, and a work table top is neat.

Description

Without clout punching process and mould thereof

Technical field

The utility model relates to a kind of cold punching die, particularly relates to a kind of without clout punching process and mould thereof.

Background technology

Diel, is in Cold Press Working, material (metal or nonmetal) is processed into a kind of special process equipment of part (or semi-finished product), and it can make material various shapes.A kind of housing 10 ' of mobile phone camera head, it is shaped as the unlimited rectangle in one end (as shown in Figure 1), as shown in Figure 2, commonly use the traditional blanking die structure of Sheet Metal Forming Technology punching press,, drift 1 ' and die 2 ' structure, pass through, drift 1 ' separates housing 10 ' with the cooperation of die 2 ' with material strip, this mould structure can be at four of a housing 10 ' angle (, the place that separates of housing 10 ' and material strip) produce the defect of flanging 101 ', make housing 10 ' size cannot meet product size requirement, be difficult for assembling.

Utility model content

The purpose of this utility model be to provide a kind of dimensional accuracy high without clout blanking die.

For achieving the above object, technical solution of the present utility model is:

The utility model is a kind of without clout blanking die, and it comprises cope match-plate pattern, lower bolster, first turn up mould, second turn up mould, the 3rd flattening die, the 4th knife edge die;

Described first mould and second mode structure that turns up that turns up is identical, and the direction of both settings is rectangular; Described second mould that turns up comprises the second left push rod, the second right push rod, the second die, the second left outside drift, the second right outside drift, the second left drift slide block, the second right drift slide block, the second left back-moving spring, the second right back-moving spring, the second push rod of turning over of turning over; Described the second left outside drift and the second right outside inner chamber that turns over drift and be oppositely arranged and be positioned at stamping parts of turning over, the second left outside drift that turns over is connected with the inner of the second left drift slide block and the inner of the second right drift slide block respectively with the second right outside drift that turns over, the second left drift slide block and the second right drift slide block slip respectively on lower bolster, the two ends of the second left back-moving spring lean respectively between the second left drift slide block and lower bolster, and the two ends of the second right back-moving spring lean respectively between the second right drift slide block and lower bolster; The second described left push rod and the upper end of the second right push rod are fixed on cope match-plate pattern, the lower end of the second left push rod and the second right push rod respectively with the second left drift slide block on inclined-plane and the sloped roof on the second right drift slide block lean on, the second die be fixed on cope match-plate pattern and left outsidely turn over drift with second, the second right outside drift that turns over is relative, the second push rod activity be nested with in lower bolster and be positioned at the second die under;

The 3rd described flattening die comprises the 3rd die and the 3rd push rod, and the 3rd die is fixed on cope match-plate pattern, the 3rd push rod activity be nested with in lower bolster and be positioned at the 3rd die under;

The 4th described knife edge die comprises that the 4th left push rod, the 4th right push rod, the 4th die, the 4th left side cut off drift, the 4th right side cuts off drift, the 4th left drift slide block, the 4th right drift slide block, the 4th left back-moving spring, the 4th right back-moving spring, the 4th described left side cut-out drift and the 4th right side cut-out drift are oppositely arranged and are positioned at the inner chamber of stamping parts, the 4th left side cuts off drift and is connected with the inner of the 4th left drift slide block and the inner of the 4th right drift slide block respectively with the 4th right side cut-out drift, the 4th left drift slide block and the 4th right drift slide block slip respectively on lower bolster, the two ends of the 4th left back-moving spring lean respectively between the 4th left drift slide block and lower bolster, the two ends of the 4th right back-moving spring lean respectively between the 4th right drift slide block and lower bolster, the 4th described left push rod and the upper end of the 4th right push rod are fixed on cope match-plate pattern, the lower end of the 4th left push rod and the 4th right push rod respectively with the 4th left drift slide block on inclined-plane and the sloped roof on the 4th right drift slide block lean on, the 4th die is fixed on cope match-plate pattern and with the 4th left side and cuts off drift, the 4th right side cut-out drift is relative.

Adopt after such scheme, because the utility model comprises the first turn up mould, second turn up mould, the 3rd flattening die, the 4th knife edge die, the mode of cutting by side separates housing and material strip, can not produce the defect of turning up in four angles of housing, and the dimensional accuracy of product is high.And the waste material in stamping-out process is all connected on material strip, produce without unnecessary waste material, work top is more clean and tidy.

Below in conjunction with the drawings and specific embodiments, the utility model is further described.

Accompanying drawing explanation

Fig. 1 is the product that traditional industry is worked it out;

Fig. 2 is the structural representation of commonly using mould;

Fig. 3 is structural representation of the present utility model;

Fig. 4 is the turn up schematic diagram of mould of the utility model second;

Fig. 5 is the flow chart of the utility model product.

The specific embodiment

Mould structure of the present utility model can be used for producing on the progressive die, also can be used for independently on mould, producing.Rectangle semi-finished product of the present utility model are to complete by the drawing of continuous deep drawing mold and the punching of perforating die, commonly use mould because the Drawing Die of above-mentioned technique and perforating die are all, and the utility model repeats no more.

As shown in Figure 3, the utility model is a kind of without clout blanking die, and it comprises cope match-plate pattern 1, lower bolster 2, first turn up mould 3, second turn up mould 4, the 3rd flattening die 5, the 4th knife edge die 6.Described first mould 3 and second mould 4 structures of turning up of turning up are identical, the direction of both settings is rectangular, first turn up mould 3 for the X of die-cut rectangle semi-finished product 10 to relative two side, second turns up mould 4 for the relative two side of the Y-direction of die-cut rectangle semi-finished product 10.

As shown in Figure 4, described second mould 4 that turns up comprises the second left push rod 41, the second right push rod 42, the second die 43, the second left outside drift 44, the second right outside drift 45, the second left drift slide block 46, the second right drift slide block 47, the second left back-moving spring 48, the second right back-moving spring 49, the second push rod 410 of turning over of turning over.Described the second left outside drift 44 and the second right outside inner chamber that turns over drift 45 and be oppositely arranged and be positioned at stamping parts of turning over, the second left outside drift 44 that turns over is connected with the inner of the second left drift slide block 46 and the inner of the second right drift slide block 47 respectively with the second right outside drift 45 that turns over, the second left drift slide block 46 and the second right drift slide block 47 slip respectively on lower bolster 2, the two ends of the second left back-moving spring 48 lean respectively between the second left drift slide block 46 and lower bolster 2, and the two ends of the second right back-moving spring 49 lean respectively between the second right drift slide block 45 and lower bolster 2; The second described left push rod 41 and the upper end of the second right push rod 42 are fixed on cope match-plate pattern 1, the lower end of the second left push rod 41 and the second right push rod 42 respectively with the second left drift slide block 46 on inclined-plane and the sloped roof on the second right drift slide block 47 lean on, the second die 43 be fixed on cope match-plate pattern 1 and left outsidely turn over drift 44 with second, the second right outside drift 45 that turns over is relative, the second push rod 410 activities be nested with in lower bolster 2 and be positioned at the second die 43 under, for ejection stamping parts.

As shown in Figure 3, the 3rd described flattening die 5 comprises the 3rd die 51 and the 3rd push rod 52.The 3rd die 51 is fixed on cope match-plate pattern 1, the 3rd push rod 52 activities be nested with in lower bolster 2 and be positioned at the 3rd die 51 under, for ejection stamping parts.

The 4th described knife edge die 6 comprises that the 4th left push rod 61, the 4th right push rod 62, the 4th die 63, the 4th left side cut off drift 64, the 4th right side cuts off drift 65, the 4th left drift slide block 66, the 4th right drift slide block 67, the 4th left back-moving spring 68, the 4th right back-moving spring 69.The 4th described left side cut-out drift 64 and the 4th right side cut-out drift 65 are oppositely arranged and are positioned at the inner chamber of stamping parts, the 4th left side cuts off drift 64 and is connected with the inner of the 4th right drift slide block 67 respectively at the inner of the 4th left drift slide block 66 with the 4th right side cut-out drift 65, the 4th left drift slide block 66 and the 4th right drift slide block 67 slip respectively on lower bolster, the two ends of the 4th left back-moving spring 68 lean respectively between the 4th left drift slide block 66 and lower bolster, the two ends of the 4th right back-moving spring 69 lean respectively between the 4th right drift slide block 67 and lower bolster, the 4th described left push rod 61 and the upper end of the 4th right push rod 62 are fixed on cope match-plate pattern, the lower end of the 4th left push rod 61 and the 4th right push rod 62 respectively with the 4th left drift slide block 66 on inclined-plane and the sloped roof on the 4th right drift slide block 67 lean on, the 4th die 63 is fixed on cope match-plate pattern and with the 4th left side and cuts off drift 64, the 4th right side cut-out drift 65 is relative.

Processing method of the present utility model:

As shown in Fig. 3, Fig. 5, the utility model is a kind of without clout punching process, and it comprises the following steps:

(1) punching, drawing and forming one rectangle semi-finished product 10;

(2) turn up the X of mould 3 lateral punching rectangle semi-finished product 10 to relative sidewall with first, this is translated into certain oblique angle outside the sidewall blank 101 of sidewall;

(3) with the second relative sidewall of Y-direction that turns up mould 4 lateral punching rectangle semi-finished product 10, this is translated into certain oblique angle outside the sidewall blank 102 of sidewall, between semi-finished product 10 and band material 20, be connected by the leg 103 in four bights;

(4) the 3rd die 51 being arranged on cope match-plate pattern 1 presses down, and the outer sidewall blank 103 of translating into certain oblique angle is flattened;

Side direction drift along continuous straight runs on (5) the 4th knife edge dies 6 is outwards circumscribed, and four legs 103 that are connected between semi-finished product 10 and band material 20 are cut off, and forms product;

(6) nozzle blowing out pressurised air is by the product mould that blows off.

Emphasis of the present utility model is just: the mode products of separated and the material strip that adopt side to cut.

The above, it is only the utility model preferred embodiment, therefore can not limit the scope that the utility model is implemented with this, the equivalence of doing according to the utility model claim and description changes and modifies, and all should still belong in the scope that the utility model patent contains.

Claims (1)

1. without a clout blanking die, it is characterized in that: it comprises cope match-plate pattern, lower bolster, first turn up mould, second turn up mould, the 3rd flattening die, the 4th knife edge die;

Described first mould and second mode structure that turns up that turns up is identical, and the direction of both settings is rectangular; Described second mould that turns up comprises the second left push rod, the second right push rod, the second die, the second left outside drift, the second right outside drift, the second left drift slide block, the second right drift slide block, the second left back-moving spring, the second right back-moving spring, the second push rod of turning over of turning over; Described the second left outside drift and the second right outside inner chamber that turns over drift and be oppositely arranged and be positioned at stamping parts of turning over, the second left outside drift that turns over is connected with the inner of the second left drift slide block and the inner of the second right drift slide block respectively with the second right outside drift that turns over, the second left drift slide block and the second right drift slide block slip respectively on lower bolster, the two ends of the second left back-moving spring lean respectively between the second left drift slide block and lower bolster, and the two ends of the second right back-moving spring lean respectively between the second right drift slide block and lower bolster; The second described left push rod and the upper end of the second right push rod are fixed on cope match-plate pattern, the lower end of the second left push rod and the second right push rod respectively with the second left drift slide block on inclined-plane and the sloped roof on the second right drift slide block lean on, the second die be fixed on cope match-plate pattern and left outsidely turn over drift with second, the second right outside drift that turns over is relative, the second push rod activity be nested with in lower bolster and be positioned at the second die under;

The 3rd described flattening die comprises the 3rd die and the 3rd push rod, and the 3rd die is fixed on cope match-plate pattern, the 3rd push rod activity be nested with in lower bolster and be positioned at the 3rd die under;

The 4th described knife edge die comprises that the 4th left push rod, the 4th right push rod, the 4th die, the 4th left side cut off drift, the 4th right side cuts off drift, the 4th left drift slide block, the 4th right drift slide block, the 4th left back-moving spring, the 4th right back-moving spring, the 4th described left side cut-out drift and the 4th right side cut-out drift are oppositely arranged and are positioned at the inner chamber of stamping parts, the 4th left side cuts off drift and is connected with the inner of the 4th left drift slide block and the inner of the 4th right drift slide block respectively with the 4th right side cut-out drift, the 4th left drift slide block and the 4th right drift slide block slip respectively on lower bolster, the two ends of the 4th left back-moving spring lean respectively between the 4th left drift slide block and lower bolster, the two ends of the 4th right back-moving spring lean respectively between the 4th right drift slide block and lower bolster, the 4th described left push rod and the upper end of the 4th right push rod are fixed on cope match-plate pattern, the lower end of the 4th left push rod and the 4th right push rod respectively with the 4th left drift slide block on inclined-plane and the sloped roof on the 4th right drift slide block lean on, the 4th die is fixed on cope match-plate pattern and with the 4th left side and cuts off drift, the 4th right side cut-out drift is relative.

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